Homebrew PCBs

PPC wrote:
> After lurking and learning quite a lot from many of you here, allow me to narrate my personal experience on how I make my very first PCB.
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Impressive exposure time of 5 seconds. Stronger than direct sunlight.
How big is your 2kW UV light box? How much distance is there between
the light and pcb? Is a reflector used? (i assume it's a HID lamp?)